For who For anyone concerned with the appearance of dark spots, post-blemish marks, and discoloration, and for those who want a lightweight, fragrance-free Korean skincare serum that layers easily in a daily routine. Key benefit Anua Niacinamide 10% + Txa 4% Dark Spot Serum helps improve the look of uneven-looking tone and dullness while leaving skin feeling hydrated, smooth, and comfortable. The formula features niacinamide 10%, tranexamic acid (txa) 4%, and arbutin 2%, plus hyaluronic acid, panthenol, and ceramides for a moisturized feel. How to use Apply 2–3 drops to clean, dry skin and gently pat until absorbed. Use in the morning and/or evening. Follow with moisturizer. For daytime use, finish with sunscreen (spf 30+). Start 2–3 times per week and increase to daily use as tolerated. Patch test before first use. Avoid the eye area. Compatibility / cautions When first starting, keep the routine simple and avoid layering in the same routine with other strong active products if your skin is sensitive. If discomfort occurs, reduce frequency or stop use. Size, count, texture Size: 30 ml / 1.01 fl oz. Count: 1 bottle. Texture: watery, lightweight, fast-absorbing. Key ingredients Niacinamide 10%: supports more even-looking complexion Tranexamic Acid (TXA) 4%: helps improve the look of discoloration and post-blemish marks Arbutin 2%: supports a clearer-looking tone Hyaluronic Acid + Panthenol + Ceramides: help keep skin feeling moisturized and comfortable Free from Fragrance-free. No artificial coloring. Low-irritation.